US20090309831A1 - Wireless control device and multi-cursor control method - Google Patents
Wireless control device and multi-cursor control method Download PDFInfo
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- US20090309831A1 US20090309831A1 US12/207,675 US20767508A US2009309831A1 US 20090309831 A1 US20090309831 A1 US 20090309831A1 US 20767508 A US20767508 A US 20767508A US 2009309831 A1 US2009309831 A1 US 2009309831A1
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- pointer
- wireless control
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- control signal
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000003287 optical effect Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 239000004973 liquid crystal related substance Substances 0.000 claims description 5
- 230000000881 depressing effect Effects 0.000 claims description 3
- 241000699666 Mus <mouse, genus> Species 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000699670 Mus sp. Species 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0346—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03543—Mice or pucks
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
- G06F3/0383—Signal control means within the pointing device
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/038—Indexing scheme relating to G06F3/038
- G06F2203/0382—Plural input, i.e. interface arrangements in which a plurality of input device of the same type are in communication with a PC
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/038—Indexing scheme relating to G06F3/038
- G06F2203/0384—Wireless input, i.e. hardware and software details of wireless interface arrangements for pointing devices
Definitions
- the present invention relates to a wireless control device and a multi-cursor control method, and more particularly to a wireless control device and a multi-cursor control method for use with a computer system.
- Human-machine interface input devices are essential components of various electronic information products such as personal computers.
- the customarily used human-machine interface input devices include for example keyboards, trackballs, mice, touch pads, and so on.
- the human-machine interface input devices are continuously developed in views of intuitive, easy-to-use and swift operations.
- a presenter is an exemplary human-machine interface input device complying with these requirements.
- FIG. 1 is a schematic functional block illustrating collective operations of a conventional presenter and a personal computer.
- the presenter 10 issues a wireless control signal to a wireless transceiver 12 , which is connected to a connecting port 110 of the personal computer 11 .
- the personal computer 11 is controlled to generate a display frame 14 through a projector 13 .
- the conventional presenter is fabricated according to the concepts of designing a wireless mouse so as to simply execute a page-switching function or a cursor control function of the personal computer 11 .
- the conventional presenter is suitable for unilateral control by the lecturer while making a presentation. It is still not feasible for the attendants to have discussions by using the conventional presenter.
- the present invention provides a wireless control device for use with a computer system.
- the application program of the computer system is executed to generate at least a first pointer and a second pointer.
- the wireless control device includes a first pointer controller, a second pointer controller and a wireless transceiver.
- the first pointer controller has a built-in first identification code and issues a first wireless control signal containing the first identification code in response to manipulation of a first user.
- the second pointer controller has a built-in second identification code and issues a second wireless control signal containing the second identification code in response to manipulation of a second user.
- the wireless transceiver is electrically connected to the computer system for receiving the first wireless control signal issued by the first pointer controller and the second wireless control signal issued by the second pointer controller and transmitting the first wireless control signal and the second wireless control signal to the computer system. According to the first identification code contained in the first wireless control signal and the second identification code contained in the second wireless control signal control, corresponding shifts of the first pointer and the second pointer defined in the application program are controlled.
- the first pointer and the second pointer are a first cursor and a second cursor, respectively.
- the first pointer and the second pointer are a first paintbrush and a second paintbrush, respectively.
- each of the first pointer controller and the second pointer controller includes a mouse optical sensor, an input button module, a microcontroller and a wireless receiving and transmitting module.
- the mouse optical sensor In response to a motion of the wireless control device on a working plane, the mouse optical sensor generates a two-dimensional coordinate signal.
- the input button module In response to a depressing action by the user, the input button module generates a button command signal.
- the microcontroller is electrically connected to the mouse optical sensor and the input button module for receiving the two-dimensional coordinate signal and the button command signal and generating a data packet.
- the data packet is a combination of the two-dimensional coordinate signal, the button command signal and a corresponding identification code of the pointer controller.
- the wireless receiving and transmitting module is electrically connected to the microcontroller for receiving the data packet and converting the data packet into a corresponding wireless control signal to be issued to the wireless receiver.
- each of the first pointer controller and the second pointer controller further includes a gyroscope module electrically connected to the microcontroller for issuing an inertia change signal to the microcontroller in response to a motion of the wireless control device in a three-dimensional space.
- the wireless transceiver includes a wireless receiving and transmitting module and an external bus controller.
- the wireless receiving and transmitting module is used for receiving the wireless control signals issued by the pointer controllers and converting the wireless control signals into corresponding control instruction digital data.
- the external bus controller is electrically connected to the wireless receiving and transmitting module for controlling the computer system to create the same number of device descriptors as the number of pointer controllers.
- the device descriptors are communicated with the application program.
- the control instruction digital data are transmitted to respective device descriptors according to the identification codes contained in respective wireless control signals, thereby controlling shifts of respective pointers.
- the device descriptors are human interface device descriptors defined by Microsoft Windows operating system or other device descriptors defined by a selected operating system, and used as communication protocols between the firmware of the external bus controller and the operating system driver.
- the computer system and a liquid crystal projector or a document camera are integrated into a presentation system.
- the present invention also provides a multi-cursor control method for use with a computer system.
- An application program of the computer system is executed to generate at least a first pointer and a second pointer.
- the multi-cursor control method includes steps of issuing a first wireless control signal containing a first identification code in response to manipulation of a first user, issuing a second wireless control signal containing a second identification code in response to manipulation of a second user, receiving and transmitting the first wireless control signal and the second wireless control signal to the computer system, and controlling corresponding shifts of the first pointer and the second pointer defined in the application program according to the first identification code contained in the first wireless control signal and the second identification code contained in the second wireless control signal control, respectively.
- the first pointer and the second pointer are a first cursor and a second cursor, respectively.
- the first pointer and the second pointer are a first paintbrush and a second paintbrush, respectively.
- the step of controlling corresponding shifts of the first pointer and the second pointer defined in the application program according to the first identification code and the second identification code includes sub-steps of receiving the wireless control signals issued by the pointer controllers and converting the wireless control signals into corresponding control instruction digital data, and controlling the computer system to create the same number of device descriptors as the number of pointer controllers.
- the device descriptors are communicated with the application program.
- the control instruction digital data are transmitted to respective device descriptors according to the identification codes contained in respective wireless control signals, thereby controlling shifts of respective pointers.
- the device descriptors are human interface device descriptors defined by Microsoft Windows operating system or other device descriptors defined by a selected operating system, and used as communication protocols between the firmware of the external bus controller and the operating system driver.
- the computer system and a liquid crystal projector or a document camera are integrated into a presentation system.
- FIG. 1 is a schematic functional block illustrating collective operations of a conventional presenter and a personal computer
- FIG. 2 is a schematic functional block diagram illustrating a wireless control device according to a preferred embodiment of the present invention
- FIG. 3 is a schematic functional block diagram illustrating the internal components of one pointer controller of the present invention.
- FIG. 4 is a schematic functional block diagram illustrating the internal components of the wireless transceiver shown in FIG. 2 ;
- FIG. 5 is a flowchart illustrating a method of connecting a pointer controller with the computer system.
- FIG. 2 is a schematic functional block diagram illustrating a wireless control device according to a preferred embodiment of the present invention.
- the wireless control device is applied to a computer system 2 .
- an application program 20 is executed such that a first pointer 211 and a second pointer 212 are shown on a screen 21 of the computer system 2 .
- Examples of the pointers include but are not limited to cursors or paintbrushes.
- the wireless control device comprises multiple pointer controllers and a single wireless transceiver. Hereinafter, two pointer controllers are illustrated in the drawings for clarification.
- the wireless control device comprises a first pointer controller 31 , a second pointer controller 32 and a wireless transceiver 33 .
- the first pointer controller 31 has a built-in first identification code.
- the first pointer controller 31 issues a first wireless control signal containing the first identification code.
- the second pointer controller 32 has a built-in second identification code.
- the second pointer controller 32 issues a second wireless control signal containing the second identification code.
- the first wireless control signal and the second wireless control signal are received by the wireless transceiver 33 .
- the wireless transceiver 33 is electrically connected to the computer system 2 through an external bus, e.g. a universal serial bus.
- the first identification code contained in the first wireless control signal and the second identification code contained in the second wireless control signal will control corresponding shifts of the first pointer 211 and the second pointer 212 , respectively.
- FIG. 3 is a schematic functional block diagram illustrating the internal components of one pointer controller of the present invention.
- the pointer controller principally comprises a mouse optical sensor 39 , an input button module 38 , a gyroscope module 37 , a microcontroller 36 and a wireless receiving and transmitting module 35 .
- the mouse optical sensor 39 issues a corresponding two-dimensional coordinate signal.
- the input button module 38 generates a button command signal.
- the gyroscope module 37 In response to a motion of the wireless control device in a three-dimensional space, the gyroscope module 37 generates an inertia change signal.
- the microcontroller 36 is electrically connected to the mouse optical sensor 39 , the input button module 38 and the gyroscope module 37 . After the two-dimensional coordinate signal, the button command signal and the inertia change signal are received by the microcontroller 36 , the two-dimensional coordinate signal, the button command signal, the inertia change signal and the built-in identification code of the pointer controller are combined as a data packet. The data packet is then transmitted to the wireless receiving and transmitting module 35 and converted into a corresponding wireless control signal by the wireless receiving and transmitting module 35 . The wireless control signal is transmitted to the wireless transceiver 33 in a wireless transmission manner.
- FIG. 4 is a schematic functional block diagram illustrating the internal components of the wireless transceiver 33 shown in FIG. 2 .
- the wireless transceiver 33 comprises a wireless receiving and transmitting module 330 and an external bus controller 331 .
- the wireless receiving and transmitting module 330 may receive the wireless control signals issued by the pointer controllers 31 and 32 and convert the wireless control signals into control instruction digital data.
- An exemplary external bus controller 331 is a universal serial bus controller.
- the external bus controller 331 may successively transfer data to the application program 20 by sorting.
- the first pointer 211 and the second pointer 212 shown on the screen 21 are controlled in a time division multiplex access (TDMA) manner and according to the sequence of event.
- TDMA time division multiplex access
- the external bus controller 331 may control the computer system 2 to create the same number of human interface device (HID) descriptors as the number of pointer controllers. For example, two HID descriptors 41 and 42 corresponding to the pointer controllers 31 and 32 are respectively created. The HID descriptors 41 and 42 are communicated with the application program 20 . According to the identification codes contained in respective wireless control signals, corresponding control instruction digital data are transmitted to the HID descriptors 41 and 42 under control of the external bus controller 331 , thereby inputting corresponding button instructions.
- HID human interface device
- the HID descriptors conform to the general specifications defined by Microsoft Windows operating system and are used as communication protocols between the firmware of the external bus controller 331 and the operating system driver.
- the specifications of the HID descriptors are varied to comply to the operating system so as to be used as communication protocols between the firmware of the external bus controller and the operating system driver.
- FIG. 5 is a flowchart illustrating a method of connecting a pointer controller with the computer system.
- the pointer controller After the pointer controller is powered on (Step 501 ), the pointer controller issues a wireless control signal containing the built-in identification code to the wireless receiving and transmitting module 330 of the wireless transceiver 33 (Step 502 ).
- the external bus controller 331 of the wireless transceiver 33 discriminates whether a HID descriptor corresponding to the built-in identification code of the wireless control signal is created (Step 503 ). If the HID descriptor is created, the wireless control signal is transmitted to the HID descriptor to control a corresponding pointer defined by the application program (Step 504 ). Whereas, if the HID descriptor has not been created, a window is shown and defined by the application program to notify that the pointer controller is designated to control a specified pointer on the display frame (Step 504 ).
- the electronic whiteboard may be defined by the application program.
- the electronic whiteboard is shown on the computer screen or projected on a projection screen through a projector.
- the multiple pointer controllers of the wireless control device of the present invention are responsible for controlling respective pointers shown on the electronic whiteboard.
- the attendants may handwrite, discuss, vote or answer question on the electronic whiteboard in order to implement an opinion feedback function.
- the wireless receiving and transmitting module 330 of the wireless transceiver 33 continuously issues waiting signals and receives opinion feedback signals from the pointer controllers.
- the opinion feedback signals are transmitted to the computer system so as to collect and manage the opinions and comments.
- the application program can realize which opinion controllers have responded, and terminate receiving the opinion feedback signals at any time.
- the wireless control device and the multi-cursor control method of the present invention is capable of obviating the drawbacks encountered from the prior art.
- the wireless control device and the multi-cursor control method are used with a computer system.
- the wireless control device and the multi-cursor control method can be used with any presentation system with a liquid crystal projector or a document camera in order to implement the opinion feedback function.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
A wireless control device and a multi-cursor control method for use with a computer system are provided. The application program of the computer system is executed to generate at least a first pointer and a second pointer. The wireless control device includes a first pointer controller, a second pointer controller and a wireless transceiver. The multi-cursor control method includes steps of issuing a first wireless control signal containing a first identification code in response to manipulation of a first user, issuing a second wireless control signal containing a second identification code in response to manipulation of a second user, receiving and transmitting the first wireless control signal and the second wireless control signal to the computer system, and controlling corresponding shifts of the first pointer and the second pointer defined in the application program according to the first identification code and the second identification code, respectively.
Description
- The present invention relates to a wireless control device and a multi-cursor control method, and more particularly to a wireless control device and a multi-cursor control method for use with a computer system.
- Human-machine interface input devices are essential components of various electronic information products such as personal computers. In the early stage, the customarily used human-machine interface input devices include for example keyboards, trackballs, mice, touch pads, and so on. For helping the user well operate the computer system, the human-machine interface input devices are continuously developed in views of intuitive, easy-to-use and swift operations. Recently, a presenter is an exemplary human-machine interface input device complying with these requirements.
-
FIG. 1 is a schematic functional block illustrating collective operations of a conventional presenter and a personal computer. According to a command inputted into thepresenter 10 by a user, thepresenter 10 issues a wireless control signal to awireless transceiver 12, which is connected to a connectingport 110 of thepersonal computer 11. According to the wireless control signal, thepersonal computer 11 is controlled to generate adisplay frame 14 through aprojector 13. Generally, the conventional presenter is fabricated according to the concepts of designing a wireless mouse so as to simply execute a page-switching function or a cursor control function of thepersonal computer 11. In other words, the conventional presenter is suitable for unilateral control by the lecturer while making a presentation. It is still not feasible for the attendants to have discussions by using the conventional presenter. - Therefore, there is a need of providing improved wireless control device and multi-cursor control method to obviate the drawbacks encountered from the prior art.
- The present invention provides a wireless control device for use with a computer system. The application program of the computer system is executed to generate at least a first pointer and a second pointer. The wireless control device includes a first pointer controller, a second pointer controller and a wireless transceiver. The first pointer controller has a built-in first identification code and issues a first wireless control signal containing the first identification code in response to manipulation of a first user. The second pointer controller has a built-in second identification code and issues a second wireless control signal containing the second identification code in response to manipulation of a second user. The wireless transceiver is electrically connected to the computer system for receiving the first wireless control signal issued by the first pointer controller and the second wireless control signal issued by the second pointer controller and transmitting the first wireless control signal and the second wireless control signal to the computer system. According to the first identification code contained in the first wireless control signal and the second identification code contained in the second wireless control signal control, corresponding shifts of the first pointer and the second pointer defined in the application program are controlled.
- In an embodiment of the wireless control device, the first pointer and the second pointer are a first cursor and a second cursor, respectively.
- In an embodiment of the wireless control device, the first pointer and the second pointer are a first paintbrush and a second paintbrush, respectively.
- In an embodiment of the wireless control device, each of the first pointer controller and the second pointer controller includes a mouse optical sensor, an input button module, a microcontroller and a wireless receiving and transmitting module. In response to a motion of the wireless control device on a working plane, the mouse optical sensor generates a two-dimensional coordinate signal. In response to a depressing action by the user, the input button module generates a button command signal. The microcontroller is electrically connected to the mouse optical sensor and the input button module for receiving the two-dimensional coordinate signal and the button command signal and generating a data packet. The data packet is a combination of the two-dimensional coordinate signal, the button command signal and a corresponding identification code of the pointer controller. The wireless receiving and transmitting module is electrically connected to the microcontroller for receiving the data packet and converting the data packet into a corresponding wireless control signal to be issued to the wireless receiver.
- In an embodiment of the wireless control device, each of the first pointer controller and the second pointer controller further includes a gyroscope module electrically connected to the microcontroller for issuing an inertia change signal to the microcontroller in response to a motion of the wireless control device in a three-dimensional space.
- In an embodiment of the wireless control device, the wireless transceiver includes a wireless receiving and transmitting module and an external bus controller. The wireless receiving and transmitting module is used for receiving the wireless control signals issued by the pointer controllers and converting the wireless control signals into corresponding control instruction digital data. The external bus controller is electrically connected to the wireless receiving and transmitting module for controlling the computer system to create the same number of device descriptors as the number of pointer controllers. The device descriptors are communicated with the application program. The control instruction digital data are transmitted to respective device descriptors according to the identification codes contained in respective wireless control signals, thereby controlling shifts of respective pointers.
- In an embodiment of the wireless control device, the device descriptors are human interface device descriptors defined by Microsoft Windows operating system or other device descriptors defined by a selected operating system, and used as communication protocols between the firmware of the external bus controller and the operating system driver.
- In an embodiment of the wireless control device, the computer system and a liquid crystal projector or a document camera are integrated into a presentation system.
- The present invention also provides a multi-cursor control method for use with a computer system. An application program of the computer system is executed to generate at least a first pointer and a second pointer. The multi-cursor control method includes steps of issuing a first wireless control signal containing a first identification code in response to manipulation of a first user, issuing a second wireless control signal containing a second identification code in response to manipulation of a second user, receiving and transmitting the first wireless control signal and the second wireless control signal to the computer system, and controlling corresponding shifts of the first pointer and the second pointer defined in the application program according to the first identification code contained in the first wireless control signal and the second identification code contained in the second wireless control signal control, respectively.
- In an embodiment of the multi-cursor control method, the first pointer and the second pointer are a first cursor and a second cursor, respectively.
- In an embodiment of the multi-cursor control method, the first pointer and the second pointer are a first paintbrush and a second paintbrush, respectively.
- In an embodiment of the multi-cursor control method, the step of controlling corresponding shifts of the first pointer and the second pointer defined in the application program according to the first identification code and the second identification code includes sub-steps of receiving the wireless control signals issued by the pointer controllers and converting the wireless control signals into corresponding control instruction digital data, and controlling the computer system to create the same number of device descriptors as the number of pointer controllers. The device descriptors are communicated with the application program. The control instruction digital data are transmitted to respective device descriptors according to the identification codes contained in respective wireless control signals, thereby controlling shifts of respective pointers.
- In an embodiment of the multi-cursor control method, the device descriptors are human interface device descriptors defined by Microsoft Windows operating system or other device descriptors defined by a selected operating system, and used as communication protocols between the firmware of the external bus controller and the operating system driver.
- In an embodiment of the multi-cursor control method, the computer system and a liquid crystal projector or a document camera are integrated into a presentation system.
- The above contents of the present invention will become more readily apparent to those ordinarily skilled in the art after reviewing the following detailed description and accompanying drawings, in which:
-
FIG. 1 is a schematic functional block illustrating collective operations of a conventional presenter and a personal computer; -
FIG. 2 is a schematic functional block diagram illustrating a wireless control device according to a preferred embodiment of the present invention; -
FIG. 3 is a schematic functional block diagram illustrating the internal components of one pointer controller of the present invention; -
FIG. 4 is a schematic functional block diagram illustrating the internal components of the wireless transceiver shown inFIG. 2 ; and -
FIG. 5 is a flowchart illustrating a method of connecting a pointer controller with the computer system. - The present invention will now be described more specifically with reference to the following embodiments. It is to be noted that the following descriptions of preferred embodiments of this invention are presented herein for purpose of illustration and description only. It is not intended to be exhaustive or to be limited to the precise form disclosed.
- The present invention provides a wireless control device in order to obviate the drawbacks encountered from the prior art.
FIG. 2 is a schematic functional block diagram illustrating a wireless control device according to a preferred embodiment of the present invention. The wireless control device is applied to acomputer system 2. In thecomputer system 2, anapplication program 20 is executed such that afirst pointer 211 and asecond pointer 212 are shown on ascreen 21 of thecomputer system 2. Examples of the pointers include but are not limited to cursors or paintbrushes. The wireless control device comprises multiple pointer controllers and a single wireless transceiver. Hereinafter, two pointer controllers are illustrated in the drawings for clarification. - As shown in
FIG. 2 , the wireless control device comprises afirst pointer controller 31, asecond pointer controller 32 and awireless transceiver 33. Thefirst pointer controller 31 has a built-in first identification code. In response to manipulation of a first user, thefirst pointer controller 31 issues a first wireless control signal containing the first identification code. Thesecond pointer controller 32 has a built-in second identification code. In response to manipulation of a second user, thesecond pointer controller 32 issues a second wireless control signal containing the second identification code. The first wireless control signal and the second wireless control signal are received by thewireless transceiver 33. Thewireless transceiver 33 is electrically connected to thecomputer system 2 through an external bus, e.g. a universal serial bus. When the first wireless control signal issued by thefirst pointer controller 31 and the second wireless control signal issued by thesecond pointer controller 32 are received by thewireless transceiver 33 and transmitted to thecomputer system 2, the first identification code contained in the first wireless control signal and the second identification code contained in the second wireless control signal will control corresponding shifts of thefirst pointer 211 and thesecond pointer 212, respectively. -
FIG. 3 is a schematic functional block diagram illustrating the internal components of one pointer controller of the present invention. The pointer controller principally comprises a mouseoptical sensor 39, aninput button module 38, agyroscope module 37, amicrocontroller 36 and a wireless receiving and transmittingmodule 35. In response to a motion of the wireless control device on a working plane, the mouseoptical sensor 39 issues a corresponding two-dimensional coordinate signal. In response to a depressing action by the user, theinput button module 38 generates a button command signal. In response to a motion of the wireless control device in a three-dimensional space, thegyroscope module 37 generates an inertia change signal. Themicrocontroller 36 is electrically connected to the mouseoptical sensor 39, theinput button module 38 and thegyroscope module 37. After the two-dimensional coordinate signal, the button command signal and the inertia change signal are received by themicrocontroller 36, the two-dimensional coordinate signal, the button command signal, the inertia change signal and the built-in identification code of the pointer controller are combined as a data packet. The data packet is then transmitted to the wireless receiving and transmittingmodule 35 and converted into a corresponding wireless control signal by the wireless receiving and transmittingmodule 35. The wireless control signal is transmitted to thewireless transceiver 33 in a wireless transmission manner. -
FIG. 4 is a schematic functional block diagram illustrating the internal components of thewireless transceiver 33 shown inFIG. 2 . As shown inFIG. 4 , thewireless transceiver 33 comprises a wireless receiving and transmittingmodule 330 and anexternal bus controller 331. The wireless receiving and transmittingmodule 330 may receive the wireless control signals issued by thepointer controllers external bus controller 331 is a universal serial bus controller. Theexternal bus controller 331 may successively transfer data to theapplication program 20 by sorting. Furthermore, thefirst pointer 211 and thesecond pointer 212 shown on thescreen 21 are controlled in a time division multiplex access (TDMA) manner and according to the sequence of event. Since the data transmission speed is very high, the user may feel that the data are simultaneously inputted. Theexternal bus controller 331 may control thecomputer system 2 to create the same number of human interface device (HID) descriptors as the number of pointer controllers. For example, two HIDdescriptors pointer controllers HID descriptors application program 20. According to the identification codes contained in respective wireless control signals, corresponding control instruction digital data are transmitted to theHID descriptors external bus controller 331, thereby inputting corresponding button instructions. In some embodiment, the HID descriptors conform to the general specifications defined by Microsoft Windows operating system and are used as communication protocols between the firmware of theexternal bus controller 331 and the operating system driver. In a case that the computer system is operated under a different operating system, the specifications of the HID descriptors are varied to comply to the operating system so as to be used as communication protocols between the firmware of the external bus controller and the operating system driver. -
FIG. 5 is a flowchart illustrating a method of connecting a pointer controller with the computer system. After the pointer controller is powered on (Step 501), the pointer controller issues a wireless control signal containing the built-in identification code to the wireless receiving and transmittingmodule 330 of the wireless transceiver 33 (Step 502). Next, theexternal bus controller 331 of thewireless transceiver 33 discriminates whether a HID descriptor corresponding to the built-in identification code of the wireless control signal is created (Step 503). If the HID descriptor is created, the wireless control signal is transmitted to the HID descriptor to control a corresponding pointer defined by the application program (Step 504). Whereas, if the HID descriptor has not been created, a window is shown and defined by the application program to notify that the pointer controller is designated to control a specified pointer on the display frame (Step 504). - Moreover, the electronic whiteboard may be defined by the application program. The electronic whiteboard is shown on the computer screen or projected on a projection screen through a projector. The multiple pointer controllers of the wireless control device of the present invention are responsible for controlling respective pointers shown on the electronic whiteboard. When making a presentation, holding a meeting or giving a lecture, the attendants may handwrite, discuss, vote or answer question on the electronic whiteboard in order to implement an opinion feedback function. After the opinion feedback function is activated, the wireless receiving and transmitting
module 330 of thewireless transceiver 33 continuously issues waiting signals and receives opinion feedback signals from the pointer controllers. The opinion feedback signals are transmitted to the computer system so as to collect and manage the opinions and comments. In addition, the application program can realize which opinion controllers have responded, and terminate receiving the opinion feedback signals at any time. - From the above description, the wireless control device and the multi-cursor control method of the present invention is capable of obviating the drawbacks encountered from the prior art. In the above embodiment, the wireless control device and the multi-cursor control method are used with a computer system. Nevertheless, the wireless control device and the multi-cursor control method can be used with any presentation system with a liquid crystal projector or a document camera in order to implement the opinion feedback function.
- While the invention has been described in terms of what is presently considered to be the most practical and preferred embodiments, it is to be understood that the invention needs not to be limited to the disclosed embodiment. On the contrary, it is intended to cover various modifications and similar arrangements included within the spirit and scope of the appended claims which are to be accorded with the broadest interpretation so as to encompass all such modifications and similar structures.
Claims (14)
1. A wireless control device for use with a computer system, an application program of the computer system being executed to generate at least a first pointer and a second pointer, the wireless control device comprising:
a first pointer controller having a built-in first identification code and issuing a first wireless control signal containing the first identification code in response to manipulation of a first user;
a second pointer controller having a built-in second identification code and issuing a second wireless control signal containing the second identification code in response to manipulation of a second user; and
a wireless transceiver electrically connected to the computer system for receiving the first wireless control signal issued by the first pointer controller and the second wireless control signal issued by the second pointer controller and transmitting the first wireless control signal and the second wireless control signal to the computer system, wherein corresponding shifts of the first pointer and the second pointer defined in the application program are controlled according to the first identification code contained in the first wireless control signal and the second identification code contained in the second wireless control signal control, respectively.
2. The wireless control device according to claim 1 wherein the first pointer and the second pointer are a first cursor and a second cursor, respectively.
3. The wireless control device according to claim 1 wherein the first pointer and the second pointer are a first paintbrush and a second paintbrush, respectively.
4. The wireless control device according to claim 1 wherein each of the first pointer controller and the second pointer controller comprises:
a mouse optical sensor for generating a two-dimensional coordinate signal in response to a motion of the wireless control device on a working plane;
an input button module for generating a button command signal in response to a depressing action by the user;
a microcontroller electrically connected to the mouse optical sensor and the input button module for receiving the two-dimensional coordinate signal and the button command signal and generating a data packet, wherein the data packet is a combination of the two-dimensional coordinate signal, the button command signal and a corresponding identification code of the pointer controller; and
a wireless receiving and transmitting module electrically connected to the microcontroller for receiving the data packet and converting the data packet into a corresponding wireless control signal to be issued to the wireless receiver.
5. The wireless control device according to claim 4 wherein each of the first pointer controller and the second pointer controller further comprises a gyroscope module electrically connected to the microcontroller for issuing an inertia change signal to the microcontroller in response to a motion of the wireless control device in a three-dimensional space.
6. The wireless control device according to claim 1 wherein the wireless transceiver comprises:
a wireless receiving and transmitting module for receiving the wireless control signals issued by the pointer controllers and converting the wireless control signals into corresponding control instruction digital data; and
an external bus controller electrically connected to the wireless receiving and transmitting module for controlling the computer system to create the same number of device descriptors as the number of pointer controllers, wherein the device descriptors are communicated with the application program, and the control instruction digital data are transmitted to respective device descriptors according to the identification codes contained in respective wireless control signals, thereby controlling shifts of respective pointers.
7. The wireless control device according to claim 6 wherein the device descriptors are human interface device descriptors defined by Microsoft Windows operating system or other device descriptors defined by a selected operating system, and used as communication protocols between the firmware of the external bus controller and the operating system driver.
8. The wireless control device according to claim 1 wherein the computer system and a liquid crystal projector or a document camera are integrated into a presentation system.
9. A multi-cursor control method for use with a computer system, an application program of the computer system being executed to generate at least a first pointer and a second pointer, the multi-cursor control method comprising steps of:
issuing a first wireless control signal containing a first identification code in response to manipulation of a first user;
issuing a second wireless control signal containing a second identification code in response to manipulation of a second user; and
receiving and transmitting the first wireless control signal and the second wireless control signal to the computer system, and controlling corresponding shifts of the first pointer and the second pointer defined in the application program according to the first identification code contained in the first wireless control signal and the second identification code contained in the second wireless control signal control, respectively.
10. The multi-cursor control method according to claim 9 wherein the first pointer and the second pointer are a first cursor and a second cursor, respectively.
11. The multi-cursor control method according to claim 9 wherein the first pointer and the second pointer are a first paintbrush and a second paintbrush, respectively.
12. The multi-cursor control method according to claim 9 wherein the step of controlling corresponding shifts of the first pointer and the second pointer defined in the application program according to the first identification code and the second identification code includes sub-steps of:
receiving the wireless control signals issued by the pointer controllers and converting the wireless control signals into corresponding control instruction digital data; and
controlling the computer system to create the same number of device descriptors as the number of pointer controllers, wherein the device descriptors are communicated with the application program, and the control instruction digital data are transmitted to respective device descriptors according to the identification codes contained in respective wireless control signals, thereby controlling shifts of respective pointers.
13. The multi-cursor control method according to claim 12 wherein the device descriptors are human interface device descriptors defined by Microsoft Windows operating system or other device descriptors defined by a selected operating system, and used as communication protocols between the firmware of the external bus controller and the operating system driver.
14. The multi-cursor control method according to claim 9 wherein the computer system and a liquid crystal projector or a document camera are integrated into a presentation system.
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TW097122222A TWI361992B (en) | 2008-06-13 | 2008-06-13 | Wireless control device and multi-cursor control method |
TW097122222 | 2008-06-13 |
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Also Published As
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EP2133782A1 (en) | 2009-12-16 |
TWI361992B (en) | 2012-04-11 |
TW200951780A (en) | 2009-12-16 |
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